#531E8A
Closest named color: Indigo (#4B0082). oklch(37.9% 0.166 300.8), rgb(83, 30, 138).
Aa
White text reads best on this color (10.93:1).
About this color
#531E8A is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.166 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.042 away. White text reads best on it, at 10.93:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #531E8A |
| RGB | rgb(83, 30, 138) |
| HSL | hsl(269, 64%, 33%) |
| OKLCH | oklch(37.9% 0.166 300.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #531E8A | 10.93:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #531E8A | 1.92:1 | Fails | Lc 9.5 | Not readable |
| #531E8A text on white | 10.93:1 | AAA | Lc 94.4 | Preferred for body text |
| #531E8A text on black | 1.92:1 | Fails | Lc -8.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EDE5FF
oklch(93.6% 0.036 299.7)
-
Step 200
200
#E0D0FF
oklch(88.6% 0.066 300.6)
-
Step 300
300
#CDAFFF
oklch(80.9% 0.115 301.1)
-
Step 400
400
#B581FF
oklch(70.8% 0.182 300.9)
-
Step 500
500
#A457FF
oklch(63.1% 0.238 300.8)
-
Step 600
600
#9321F7
oklch(55.6% 0.277 300.7)
-
Step 700
700
#7E07D7
oklch(49.1% 0.258 301)
-
Step 800
800
#6613AE
oklch(42.7% 0.214 300.8)
-
Step 900
900 (this color)
#531E8A
oklch(37.9% 0.166 300.8)
-
Step 950
950
#301450
oklch(27% 0.104 301)
#531E8A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #003C8D | 0.113 |
| Deuteranopia (no green cones) | #003C88 | 0.114 |
| Tritanopia (no blue cones) | #473A53 | 0.122 |
| Achromatopsia (no color) | #3D3D3D | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531E8A
#531E8A
oklch(37.9% 0.166 300.8)
- #3B4900
#3B4900
oklch(37.9% 0.091 121.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #531E8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.042
- Chrysanthemum #560BAD ΔE 0.059
- Imperial Purple #480CA8 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.062
- Royal Purple #4B006E ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.066
- Blueberry #464196 ΔE 0.077
- Indigo Blue #3A18B1 ΔE 0.085
Use #531E8A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.